OpenAI to buy cybersecurity startup Promptfoo to better safeguard AI agents
infonewsLLM-Specific
industrysecurity
Source: CNBC TechnologyMarch 9, 2026
Summary
OpenAI is acquiring Promptfoo, a cybersecurity startup that provides tools to test and secure AI systems, particularly as AI agents (autonomous programs that can take actions) become more connected to real data and systems. Promptfoo's security tools will be integrated into OpenAI's Frontier platform, and OpenAI will continue supporting Promptfoo's open-source project that helps developers test different AI prompts and compare large language models (AI systems trained on massive amounts of text data).
Classification
Attack SophisticationModerate
Impact (CIA+S)
integritysafety
AI Component TargetedAgent
Affected Vendors
OpenAI
Related Issues
Original source: https://www.cnbc.com/2026/03/09/open-ai-cybersecurity-promptfoo-ai-agents.html
First tracked: March 9, 2026 at 04:00 PM
Classified by LLM (prompt v3) · confidence: 85%